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LM2940CS-9.0 from 国半

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LM2940CS-9.0

Manufacturer: 国半

1A Low Dropout Regulator

Partnumber Manufacturer Quantity Availability
LM2940CS-9.0,LM2940CS90 国半 2000 In Stock

Description and Introduction

1A Low Dropout Regulator The LM2940CS-9.0 is a low-dropout voltage regulator manufactured by National Semiconductor (国半). Below are its specifications, descriptions, and features based on factual information:

### **Specifications:**
- **Output Voltage:** 9.0V  
- **Output Current:** Up to 1A  
- **Dropout Voltage:** Typically 0.5V at full load  
- **Input Voltage Range:** Up to 26V  
- **Line Regulation:** 0.04% (typical)  
- **Load Regulation:** 0.3% (typical)  
- **Quiescent Current:** 10mA (typical)  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package Type:** TO-263 (D2PAK)  

### **Descriptions:**
- The LM2940CS-9.0 is a fixed-output, low-dropout (LDO) voltage regulator designed to provide a stable 9.0V output.  
- It is suitable for applications requiring high efficiency with minimal input-to-output voltage differentials.  
- The regulator includes built-in protection features such as thermal shutdown and current limiting.  

### **Features:**
- **Low Dropout Voltage:** Ensures efficient regulation even when the input voltage is close to the output voltage.  
- **Thermal Shutdown Protection:** Prevents damage due to excessive heat.  
- **Short-Circuit Protection:** Safeguards the regulator and connected circuitry.  
- **Reverse Battery Protection:** Can withstand reverse polarity conditions.  
- **Low Quiescent Current:** Helps in power-sensitive applications.  
- **Stable with Low-ESR Capacitors:** Works reliably with ceramic or tantalum output capacitors.  

This information is strictly based on the manufacturer's datasheet and technical documentation.

Application Scenarios & Design Considerations

1A Low Dropout Regulator

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